fix(workbox): add missing lodash dependency (#91)

Author: kawasako

Diff for: packages/workbox/package.json

@@ -8,6 +8,7 @@
     "access": "public"
   },
   "dependencies": {
-    "workbox-build": "^3.5.0"
+    "workbox-build": "^3.4.1",
+    "lodash": "^4.17.10"
   }
 }